Other Political Documentaries

The Battle of Chile (1975)
IMDB says that Chris Marker sent Director Guzman film stock after the U.S. cut supplies to Chile. About the American-sponsored fascist coup in Chile. A sequel was made years later.

The Passaic Textile Strike (1926)
Let It Burn: The Coming Destruction Of The USA? (1968)
America Is Hard to See (1968)
Underground (1976)
From the Ashes: Nicaragua Today (1981)
Acid Rain: Requiem or Recovery (1981)
Acid from Heaven (1981)
If You Love This Planet (1982)
Seeing Red (1983)
The Times of Harvey Milk (1983)
Before Stonewall (1984)
Who's Running This War? (1986)
Las Madres: The Mothers of Plaza de Mayo(1986)
Letter to the Next Generation (1989)
Stepping Razor-Red X (1992)
Last Call at Maud's (1993)
America and the Holocaust: Deceit and Indifference (1994)
Freedom On My Mind (1994)
The Gringo in Mananaland (1995)
Chicano! History of the Mexican American Civil Rights Movement (1996)
The Fight in the Fields: Cesar Chavez and the Farmworker's Struggle (1997)
Paragraph 175 (2000)
Scottsboro: An American Tragedy (2000)
Afro-Punk (2003)
Gil Scott-Heron: The Revolution Will Not Be Televised (2003)
Forgive Us Our Debts (2004)
Howard Zinn: You Can't Be Neutral on a Moving Train (2004)
500 Years Later (2005)